Home / 156,646.23-234,776.70-61,781.19

Finding the Fourth Proportional to 156,646.23, 234,776.70 and 61,781.19

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Solution

The fourth proportional to 156,646.23, 234,776.70 and 61,781.19 is: 92,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,646.23 : 234,776.70 = 61,781.19 : x
  2. Step 2: Convert to fraction form
    156,646.23/234,776.70 = 61,781.19/x
  3. Step 3: Cross multiply
    156,646.23x = 234,776.70 × 61,781.19
  4. Step 4: Simplify right side
    156,646.23x = 14,504,783,910.27
  5. Step 5: Solve for x
    x = 14,504,783,910.27/156,646.23
  6. Step 6: Final answer
    x = 92,595.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.